Home / 19,988,130.34-27,583,681.98-10,820,751.22

Finding the Fourth Proportional to 19,988,130.34, 27,583,681.98 and 10,820,751.22

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Solution

The fourth proportional to 19,988,130.34, 27,583,681.98 and 10,820,751.22 is: 14,932,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988,130.34 : 27,583,681.98 = 10,820,751.22 : x
  2. Step 2: Convert to fraction form
    19,988,130.34/27,583,681.98 = 10,820,751.22/x
  3. Step 3: Cross multiply
    19,988,130.34x = 27,583,681.98 × 10,820,751.22
  4. Step 4: Simplify right side
    19,988,130.34x = 298,476,160,437,177.06
  5. Step 5: Solve for x
    x = 298,476,160,437,177.06/19,988,130.34
  6. Step 6: Final answer
    x = 14,932,670.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.